Feed-through

A storage device, comprising:

• a feed-through including:
• at least one base body having at least one opening;
• a conductor;
• and
• a glass material, said conductor being embedded in said glass material and inserted into said at least one opening of said at least one base body, said glass material including the following in mole percent (mol-%):
• P2O5
• 35-50 mol-%;
• Al2O3
• 0-14 mol-%;
• B2O3
• 2-10 mol-%;
• Na2O
• 0-30 mol-%;
• M2O
• 0-20 mol-%, wherein M is one of K, Cs and Rb;
• Li2O
• 0-35 mol-%;
• BaO
• 0-20 mol-%;
• and
• Bi2O3
• 0-10 mol-%,
• wherein said glass material is free of lead except for contaminants.

A method of utilizing a glass composition, the method comprising:

• providing a battery including a non-aqueous electrolyte;
• and
• using said glass composition to insert a conductor into a housing of a battery, said glass composition including:
• P2O5
• 35-50 mol-%;
• Al2O3
• 0-14 mol-%;
• B2O3
• 2-10 mol-%;
• Na2O
• 0-30 mol-%;
• M2O
• 0-20 mol-%, wherein M is one of K, Cs and Rb;
• PbO
• 0-10 mol-%;
• Li2O
• 0-35 mol-%;
• BaO
• 0-20 mol-%;
• and
• Bi2O3
• 0-10 mol-%,
• wherein said glass composition is free of lead except for contaminants.